Your depression may be to blame for the habit to watch TV at night, said us scientists. The study is published in the journal Molecular Psychiatry.
In the experiment, conducted by neuroscientists at Ohio state University, one group of rodents was placed under a standard diurnal cycle (16 hours they were in normal daylight, and 8 hours in the dark). Another group of 8 night hours was in the lighting, similar to lighting a dark room with a working TV. After 4 weeks, rats of the 2nd group showed signs of depression.
The who calls depression the most common mental disorder in the world. According to statistics, it affects more than 350 million people of all ages, and two thirds of them women. Depression should be distinguished from the normal mood swings or negative emotional reactions, because it is a violation affect significantly reduces the quality of life of the patient, preventing him to work, study, maintain relationships with others and maintain yourself.
In severe cases, depression leads to suicide, which is annually about 800 thousand people.
Sleep disorders Mood swings Chronic fatigue syndrome Loss of appetite Anxiety (anxiety, frustration)Insomnia
Facts about depression
Dim light stimulates in the brain the protein of the tumor necrosis factor TNF. Its increased concentration provoke destructive changes in the psyche. The same happens with people exposed to artificial light at night, explained the researchers.